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-rw-r--r--include/asm-x86/desc.h15
-rw-r--r--include/asm-x86/paravirt.h20
-rw-r--r--include/asm-x86/ptrace.h6
-rw-r--r--include/asm-x86/smp.h34
-rw-r--r--include/asm-x86/spinlock.h9
-rw-r--r--include/asm-x86/tlbflush.h10
-rw-r--r--include/asm-x86/traps.h12
-rw-r--r--include/asm-x86/xen/hypervisor.h14
8 files changed, 104 insertions, 16 deletions
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index b73fea54def..ebc307817e9 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -24,6 +24,11 @@ static inline void fill_ldt(struct desc_struct *desc,
desc->d = info->seg_32bit;
desc->g = info->limit_in_pages;
desc->base2 = (info->base_addr & 0xff000000) >> 24;
+ /*
+ * Don't allow setting of the lm bit. It is useless anyway
+ * because 64bit system calls require __USER_CS:
+ */
+ desc->l = 0;
}
extern struct desc_ptr idt_descr;
@@ -97,7 +102,15 @@ static inline int desc_empty(const void *ptr)
native_write_gdt_entry(dt, entry, desc, type)
#define write_idt_entry(dt, entry, g) \
native_write_idt_entry(dt, entry, g)
-#endif
+
+static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries)
+{
+}
+
+static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries)
+{
+}
+#endif /* CONFIG_PARAVIRT */
static inline void native_write_idt_entry(gate_desc *idt, int entry,
const gate_desc *gate)
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index d7d358a4399..8d6ae2f760d 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -124,6 +124,9 @@ struct pv_cpu_ops {
int entrynum, const void *desc, int size);
void (*write_idt_entry)(gate_desc *,
int entrynum, const gate_desc *gate);
+ void (*alloc_ldt)(struct desc_struct *ldt, unsigned entries);
+ void (*free_ldt)(struct desc_struct *ldt, unsigned entries);
+
void (*load_sp0)(struct tss_struct *tss, struct thread_struct *t);
void (*set_iopl_mask)(unsigned mask);
@@ -325,6 +328,7 @@ struct pv_lock_ops {
int (*spin_is_locked)(struct raw_spinlock *lock);
int (*spin_is_contended)(struct raw_spinlock *lock);
void (*spin_lock)(struct raw_spinlock *lock);
+ void (*spin_lock_flags)(struct raw_spinlock *lock, unsigned long flags);
int (*spin_trylock)(struct raw_spinlock *lock);
void (*spin_unlock)(struct raw_spinlock *lock);
};
@@ -830,6 +834,16 @@ do { \
(aux) = __aux; \
} while (0)
+static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries)
+{
+ PVOP_VCALL2(pv_cpu_ops.alloc_ldt, ldt, entries);
+}
+
+static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries)
+{
+ PVOP_VCALL2(pv_cpu_ops.free_ldt, ldt, entries);
+}
+
static inline void load_TR_desc(void)
{
PVOP_VCALL0(pv_cpu_ops.load_tr_desc);
@@ -1394,6 +1408,12 @@ static __always_inline void __raw_spin_lock(struct raw_spinlock *lock)
PVOP_VCALL1(pv_lock_ops.spin_lock, lock);
}
+static __always_inline void __raw_spin_lock_flags(struct raw_spinlock *lock,
+ unsigned long flags)
+{
+ PVOP_VCALL2(pv_lock_ops.spin_lock_flags, lock, flags);
+}
+
static __always_inline int __raw_spin_trylock(struct raw_spinlock *lock)
{
return PVOP_CALL1(int, pv_lock_ops.spin_trylock, lock);
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h
index d64a6109716..ac578f11c1c 100644
--- a/include/asm-x86/ptrace.h
+++ b/include/asm-x86/ptrace.h
@@ -177,11 +177,11 @@ convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
#ifdef CONFIG_X86_32
extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
- int error_code);
-#else
-void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
+ int error_code, int si_code);
#endif
+void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
+
extern long syscall_trace_enter(struct pt_regs *);
extern void syscall_trace_leave(struct pt_regs *);
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index 29324c10334..6df2615f913 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -50,12 +50,16 @@ extern struct {
struct smp_ops {
void (*smp_prepare_boot_cpu)(void);
void (*smp_prepare_cpus)(unsigned max_cpus);
- int (*cpu_up)(unsigned cpu);
void (*smp_cpus_done)(unsigned max_cpus);
void (*smp_send_stop)(void);
void (*smp_send_reschedule)(int cpu);
+ int (*cpu_up)(unsigned cpu);
+ int (*cpu_disable)(void);
+ void (*cpu_die)(unsigned int cpu);
+ void (*play_dead)(void);
+
void (*send_call_func_ipi)(cpumask_t mask);
void (*send_call_func_single_ipi)(int cpu);
};
@@ -94,6 +98,21 @@ static inline int __cpu_up(unsigned int cpu)
return smp_ops.cpu_up(cpu);
}
+static inline int __cpu_disable(void)
+{
+ return smp_ops.cpu_disable();
+}
+
+static inline void __cpu_die(unsigned int cpu)
+{
+ smp_ops.cpu_die(cpu);
+}
+
+static inline void play_dead(void)
+{
+ smp_ops.play_dead();
+}
+
static inline void smp_send_reschedule(int cpu)
{
smp_ops.smp_send_reschedule(cpu);
@@ -109,16 +128,19 @@ static inline void arch_send_call_function_ipi(cpumask_t mask)
smp_ops.send_call_func_ipi(mask);
}
+void cpu_disable_common(void);
void native_smp_prepare_boot_cpu(void);
void native_smp_prepare_cpus(unsigned int max_cpus);
void native_smp_cpus_done(unsigned int max_cpus);
int native_cpu_up(unsigned int cpunum);
+int native_cpu_disable(void);
+void native_cpu_die(unsigned int cpu);
+void native_play_dead(void);
+void play_dead_common(void);
+
void native_send_call_func_ipi(cpumask_t mask);
void native_send_call_func_single_ipi(int cpu);
-extern int __cpu_disable(void);
-extern void __cpu_die(unsigned int cpu);
-
void smp_store_cpu_info(int id);
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
@@ -205,9 +227,5 @@ static inline int hard_smp_processor_id(void)
#endif /* CONFIG_X86_LOCAL_APIC */
-#ifdef CONFIG_HOTPLUG_CPU
-extern void cpu_uninit(void);
-#endif
-
#endif /* __ASSEMBLY__ */
#endif /* ASM_X86__SMP_H */
diff --git a/include/asm-x86/spinlock.h b/include/asm-x86/spinlock.h
index b5a4551fd56..157ff7fab97 100644
--- a/include/asm-x86/spinlock.h
+++ b/include/asm-x86/spinlock.h
@@ -172,8 +172,6 @@ static inline int __ticket_spin_is_contended(raw_spinlock_t *lock)
return (((tmp >> TICKET_SHIFT) - tmp) & ((1 << TICKET_SHIFT) - 1)) > 1;
}
-#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
-
#ifdef CONFIG_PARAVIRT
/*
* Define virtualization-friendly old-style lock byte lock, for use in
@@ -262,6 +260,13 @@ static __always_inline void __raw_spin_unlock(raw_spinlock_t *lock)
{
__ticket_spin_unlock(lock);
}
+
+static __always_inline void __raw_spin_lock_flags(raw_spinlock_t *lock,
+ unsigned long flags)
+{
+ __raw_spin_lock(lock);
+}
+
#endif /* CONFIG_PARAVIRT */
static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock)
diff --git a/include/asm-x86/tlbflush.h b/include/asm-x86/tlbflush.h
index ef68b76dc3c..3cdd08b5bdb 100644
--- a/include/asm-x86/tlbflush.h
+++ b/include/asm-x86/tlbflush.h
@@ -119,6 +119,10 @@ static inline void native_flush_tlb_others(const cpumask_t *cpumask,
{
}
+static inline void reset_lazy_tlbstate(void)
+{
+}
+
#else /* SMP */
#include <asm/smp.h>
@@ -151,6 +155,12 @@ struct tlb_state {
char __cacheline_padding[L1_CACHE_BYTES-8];
};
DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate);
+
+void reset_lazy_tlbstate(void);
+#else
+static inline void reset_lazy_tlbstate(void)
+{
+}
#endif
#endif /* SMP */
diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h
index 2ccebc6fb0b..7a692baa51a 100644
--- a/include/asm-x86/traps.h
+++ b/include/asm-x86/traps.h
@@ -1,6 +1,8 @@
#ifndef ASM_X86__TRAPS_H
#define ASM_X86__TRAPS_H
+#include <asm/debugreg.h>
+
/* Common in X86_32 and X86_64 */
asmlinkage void divide_error(void);
asmlinkage void debug(void);
@@ -36,6 +38,16 @@ void do_invalid_op(struct pt_regs *, long);
void do_general_protection(struct pt_regs *, long);
void do_nmi(struct pt_regs *, long);
+static inline int get_si_code(unsigned long condition)
+{
+ if (condition & DR_STEP)
+ return TRAP_TRACE;
+ else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3))
+ return TRAP_HWBKPT;
+ else
+ return TRAP_BRKPT;
+}
+
extern int panic_on_unrecovered_nmi;
extern int kstack_depth_to_print;
diff --git a/include/asm-x86/xen/hypervisor.h b/include/asm-x86/xen/hypervisor.h
index 0ef3a88b869..445a2475956 100644
--- a/include/asm-x86/xen/hypervisor.h
+++ b/include/asm-x86/xen/hypervisor.h
@@ -54,7 +54,6 @@
/* arch/i386/kernel/setup.c */
extern struct shared_info *HYPERVISOR_shared_info;
extern struct start_info *xen_start_info;
-#define is_initial_xendomain() (xen_start_info->flags & SIF_INITDOMAIN)
/* arch/i386/mach-xen/evtchn.c */
/* Force a proper event-channel callback from Xen. */
@@ -67,6 +66,17 @@ u64 jiffies_to_st(unsigned long jiffies);
#define MULTI_UVMFLAGS_INDEX 3
#define MULTI_UVMDOMID_INDEX 4
-#define is_running_on_xen() (xen_start_info ? 1 : 0)
+enum xen_domain_type {
+ XEN_NATIVE,
+ XEN_PV_DOMAIN,
+ XEN_HVM_DOMAIN,
+};
+
+extern enum xen_domain_type xen_domain_type;
+
+#define xen_domain() (xen_domain_type != XEN_NATIVE)
+#define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN)
+#define xen_initial_domain() (xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN)
+#define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN)
#endif /* ASM_X86__XEN__HYPERVISOR_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 05:50:56 +0000